/**
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

export function equals (a, b) {
  if (a === b) {
    return true
  }

  if (a === null || b === null) {
    return false
  }

  if (typeof a === 'object' && typeof b === 'object') {
    const keysA = Object.keys(a)
    const keysB = Object.keys(b)

    if (keysA.length !== keysB.length) {
      return false
    }

    for (const key of keysA) {
      if (a[key] !== b[key]) {
        return false
      }
    }

    return true
  }

  return false
}
